Finding the Fourth Proportional to 152,308.80, 228,498.24 and 51,120.28

Step by Step Solution

1. Step 1: Write the proportion equation
   152,308.80 : 228,498.24 = 51,120.28 : x
2. Step 2: Convert to fraction form
   152,308.80/228,498.24 = 51,120.28/x
3. Step 3: Cross multiply
   152,308.80x = 228,498.24 × 51,120.28
4. Step 4: Simplify right side
   152,308.80x = 11,680,892,865.82
5. Step 5: Solve for x
   x = 11,680,892,865.82/152,308.80
6. Step 6: Final answer
   x = 76,692.17